1157932955717 has 2 divisors, whose sum is σ = 1157932955718. Its totient is φ = 1157932955716.

The previous prime is 1157932955653. The next prime is 1157932955747. The reversal of 1157932955717 is 7175592397511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1144320133441 + 13612822276 = 1069729^2 + 116674^2 .

It is an emirp because it is prime and its reverse (7175592397511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1157932955717 - 2⁶ = 1157932955653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1157932955717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157932955747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578966477858 + 578966477859.

It is an arithmetic number, because the mean of its divisors is an integer number (578966477859).

Almost surely, 2^{1157932955717} is an apocalyptic number.

It is an amenable number.

1157932955717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157932955717 is an equidigital number, since it uses as much as digits as its factorization.

1157932955717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20837250, while the sum is 62.

The spelling of 1157932955717 in words is "one trillion, one hundred fifty-seven billion, nine hundred thirty-two million, nine hundred fifty-five thousand, seven hundred seventeen".